La Palma volcano has been erupting for 2 months

The La Palma volcano - which began on September 19, 2021 - has now been erupting for 2 months. It has claimed one life and forced thousands to evacuate.

Virtual reality can combat isolation on Earth and in space

Virtual reality may help alleviate some of the negative feelings of isolation, and this has potential implications for space travel.

Kessler syndrome of colliding satellites could make low-Earth orbit unusable

Space debris threatens ISS: the Kessler syndrome, a theory developed by NASA scientist Donald Kessler, predicts cascading collisions in orbit.

Permafrost thaw in the Arctic, in the next 30 years

Permafrost thaw in the Arctic is as one of the most immediate problems of global warming. A new assessment of communities at risk.

Chaco Canyon in New Mexico, and its astronomical rock art

Chaco Canyon aka Chaco Culture National Historical Park, New Mexico, contains astronomical rock art that documents what the people of the time saw in the sky.

Artificial intelligence’s racial and gender bias problem

Artificial intelligence sometimes discriminates by race and sex. Rights-based regulations are needed to ensure that AI will not exacerbate inequalities.

Fossil footprints are oldest found in Americas

Fossil footprints discovered in White Sands National Park, New Mexico, are the oldest known in the Americas. These footprints date back 23,000 years.

Satellites versus stars: Which will dominate the sky?

In the battle of satellites versus stars, the motion of constellations of satellites will draw the eye and drown out the quiet background stars.

Einstein’s most famous equation: E=mc2

Einstein's most famous equation describing the relationship of energy and mass, E=mc2, first appeared in a scientific journal on September 27, 1905.

Futuristic space concrete uses astronauts’ blood

Scientists in the U.K. have developed a kind of "space concrete" using dust and human blood that could be used for future human habitats on Mars or the moon.